/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * License); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
#ifndef COMMON_CONTAINER_BLOCKING_QUEUE_H
#define COMMON_CONTAINER_BLOCKING_QUEUE_H

#include <pthread.h>

#include <queue>

namespace common {

class BlockingQueue {
   public:
    BlockingQueue();
    ~BlockingQueue();

    void push(void* data);
    // if empty, blocking
    void* pop();

   private:
    std::queue<void*> queue_;
    pthread_mutex_t mutex_;
    pthread_cond_t cond_;
};

}  // end namespace common
#endif  // COMMON_CONTAINER_BLOCKING_QUEUE_H
